<template>
  <div class="app-container">
    <!--查询表单-->
    <el-form :inline="true" class="demo-form-inline">
      <el-form-item>
        <el-input v-model="teacherQuery.name" placeholder="讲师名"/>
      </el-form-item>
      <el-form-item>
        <el-select v-model="teacherQuery.level" clearable placeholder="讲师头衔">
          <el-option :value="1" label="高级讲师"/>
          <el-option :value="2" label="首席讲师"/>
        </el-select>
      </el-form-item>
      <el-form-item label="添加时间">
        <el-date-picker
          v-model="teacherQuery.begin"
          type="datetime"
          placeholder="选择开始时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>
      <el-form-item>
        <el-date-picker
          v-model="teacherQuery.end"
          type="datetime"
          placeholder="选择截止时间"
          value-format="yyyy-MM-dd HH:mm:ss"
          default-time="00:00:00"
        />
      </el-form-item>
      <el-button type="primary" icon="el-icon-search" @click="getList()">查询</el-button>
      <el-button type="default" @click="resetData()">清空</el-button>
    </el-form>

    <!-- 表格 -->
    <el-table
      :data="list"
      border
      fit
      highlight-current-row
    >
      <el-table-column label="序号" width="70" align="center">
        <template slot-scope="scope">
          {{ (page - 1) * size + scope.$index + 1 }}
        </template>
      </el-table-column>
      <el-table-column prop="name" label="名称" width="80"  align="center"/>
      <el-table-column label="头衔" width="80" align="center">
        <template slot-scope="scope">
          {{ scope.row.level === 1 ? "高级讲师" : "首席讲师" }}
        </template>
      </el-table-column>
      <el-table-column prop="intro" label="资历"  align="center"/>
      <el-table-column prop="gmtCreate" label="添加时间" width="160"  align="center"/>
      <el-table-column prop="sort" label="排序" width="60"  align="center"/>
      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <router-link :to="'/teacher/update/' + scope.row.id">
            <el-button type="primary" size="mini" icon="el-icon-edit">
                修改
            </el-button>
          </router-link>
          <el-button
            type="danger"
            size="mini"
            icon="el-icon-delete"
            @click="deleteById(scope.row.id)"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>
    
   <!-- 分页 -->
    <el-pagination
      :current-page="page"
      :page-size="size"
      :total="total"
      style="padding: 30px 0; text-align: center;"
      layout="total, prev, pager, next, jumper"
      @current-change="getList"
    />
  </div>
</template>
<script>
//引入teacher.js, .js可省略
import teacher from "@/api/edu/teacher";

export default {
  //核心代码
  data() {
    //定义变量和初始值
    return {
      list: null, //查询之后接口返回集合
      page: 1, // 当前页
      size: 5, //每页记录数
      total: 0, //总记录数
      teacherQuery: {}, //条件封装对象
    };
  },
  created() {
    // 在页面渲染之前执行，一般调用method方法
    //调用
    this.getList()
  },
  methods: {
    //创建具体的方法，调用teacher.js定义的方法
    getList(page = 1) {
        this.page = page
        teacher.getTeacherListPage(this.page, this.size, this.teacherQuery)
            .then((success) => {
                //请求成功
                // console.log(success)
                this.list = success.data.rows
                this.total = success.data.total
                console.log(this.list)
                console.log(this.total)
            })
            .catch((error) => {
                //请求失败
                console.log(error);
            });
    },
    resetData(){
        //清空表单数据
        this.teacherQuery = {}
        //查询所有讲师
        this.getList()
    },
    deleteById(id){
        this.$confirm('此操作将永久删除讲师记录, 是否继续?', '提示', {
            confirmButtonText: '确定',
            cancelButtonText: '取消',
            type: 'warning'
            }).then(() => {
                teacher.deleteById(id)
                    .then(success =>{
                        this.$message({
                        type: 'success',
                        message: '删除成功!'
                    });
                    this.getList()
                    })
            })
    }
  },
};
</script>